More damaging viruses to come

The email worm that popped up to say "hi" in Australia's inboxes would almost certainly be followed by a nastier mutation, security experts have warned.

The "Bagle" worm that began its attack on the weekend was a fast-spreading but relatively benign problem, anti-virus software makers have said.

But they warned that experience suggested new variations of the worm were likely to appear and might not be as harmless the second time around.

A second attack based on a reworked version of Bagle was most likely to occur after January 28, when the original worm had been been programmed to expire, Computer Associates security expert Daniel Zatz said.

It was likely that the attack would come from a copy-cat hacker who would use Bagle as a base for a new variant worm.

Spotlight

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